1613335426655 has 8 divisors (see below), whose sum is σ = 1936103876784. Its totient is φ = 1290600764800.

The previous prime is 1613335426621. The next prime is 1613335426687. The reversal of 1613335426655 is 5566245333161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1613335426655 - 2¹⁶ = 1613335361119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8341901 + ... + 8533110.

It is an arithmetic number, because the mean of its divisors is an integer number (242012984598).

Almost surely, 2^{1613335426655} is an apocalyptic number.

1613335426655 is a deficient number, since it is larger than the sum of its proper divisors (322768450129).

1613335426655 is a wasteful number, since it uses less digits than its factorization.

1613335426655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16894137.

The product of its digits is 5832000, while the sum is 50.

The spelling of 1613335426655 in words is "one trillion, six hundred thirteen billion, three hundred thirty-five million, four hundred twenty-six thousand, six hundred fifty-five".